Author: Thejasvi Beleyur¶

Last updated: 24-01-2020¶

This notebook will detail all the steps required to get matching audio snippets for the annotations of bat flights made for 2018-08-17 between 03:00-04:00 hours.

Steps carried out before hand:¶

Generating the video sync for the video file OrlovaChukaDome_01_20180817_03.00.00-04.00.00[R][@1e7f][2].avi with frame-wise light intensities and time stamps
Video annotations of the horseshoebats flying done by Neetash MR and Aditya Kanjoor.

import matplotlib.pyplot as plt
import pandas as pd 
from tqdm import tqdm

package_folder = 'C:\\Users\\tbeleyur\\Documents\\match_audio_to_video\\bin\\'
import os
import sys 
sys.path.append(package_folder) # include the modules in the outer folder in the search path
from process_video_annotations import video_sync_over_annotation_block

# loading the annotations
annotations = pd.read_csv('annotations/corrected_HBC_video_annotations_Aditya/2018-08-17_3-4am_Aditya.csv')

annotations.head()

annots_w_bats = annotations[annotations['no. of flying bats']>0].reset_index(drop=True)

Carrying out the common-fps conversion:¶

# load the video sync file with corrected timestamps
video_sync_file = 'videosync_OrlovaChukaDome_01_20180817_03.00.00-04.00.00[R][@1e7f][2].avi_[corrected_timestamps]_[signal_checked].csv'
path_to_videosync = os.path.join('raw_sync',
                                 video_sync_file)
video_sync = pd.read_csv(path_to_videosync)

kwargs = {'timestamp_pattern': '%Y-%m-%d %H:%M:%S'}
kwargs['min_fps']= 21 # Hz
kwargs['min_durn'] = 75.0 # seconds 
kwargs['common_fps'] = 25 # Hz
kwargs['output_folder'] = './common_fps/Aditya_annotations/2018-08-16/'

unprocessed_annotations = []

for i, each_annotation in tqdm(annots_w_bats.iterrows()):
    try:
        success = video_sync_over_annotation_block(each_annotation,video_sync, 
                                                     **kwargs)
    except :
        unprocessed_annotations.append(i)
        print('Unable to process annotation: %s'%annots_w_bats['annotation_id'][i])

0it [00:00, ?it/s]C:\Users\tbeleyur\AppData\Local\Continuum\anaconda2\envs\horseshoebat\lib\site-packages\scipy\signal\signaltools.py:2223: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array index, `arr[np.array(seq)]`, which will result either in an error or a different result.
  Y[sl] = X[sl]
C:\Users\tbeleyur\AppData\Local\Continuum\anaconda2\envs\horseshoebat\lib\site-packages\scipy\signal\signaltools.py:2225: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array index, `arr[np.array(seq)]`, which will result either in an error or a different result.
  Y[sl] = X[sl]
C:\Users\tbeleyur\AppData\Local\Continuum\anaconda2\envs\horseshoebat\lib\site-packages\scipy\signal\signaltools.py:2233: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array index, `arr[np.array(seq)]`, which will result either in an error or a different result.
  Y[sl] /= 2  # halve the component at -N/2
C:\Users\tbeleyur\AppData\Local\Continuum\anaconda2\envs\horseshoebat\lib\site-packages\scipy\signal\signaltools.py:2234: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array index, `arr[np.array(seq)]`, which will result either in an error or a different result.
  temp = Y[sl]
C:\Users\tbeleyur\AppData\Local\Continuum\anaconda2\envs\horseshoebat\lib\site-packages\scipy\signal\signaltools.py:2236: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array index, `arr[np.array(seq)]`, which will result either in an error or a different result.
  Y[sl] = temp  # set that equal to the component at -N/2

Saved annotation :Aditya_2018-08-17_34_1

1it [00:06,  6.15s/it]

Saved annotation :Aditya_2018-08-17_34_2

2it [00:12,  6.07s/it]

Saved annotation :Aditya_2018-08-17_34_3

3it [00:17,  5.97s/it]

Saved annotation :Aditya_2018-08-17_34_4

4it [00:23,  5.88s/it]

Unable to process annotation: Aditya_2018-08-17_34_5

len(unprocessed_annotations)

Cause of the unprocessed annotations: A quick check showed me that all the unprocessed annotations were caused only by annotations with odd timestamps - with the end timestamp before the starting or with both and start and end timestamps being the same.

Matching Audio from the common_fps files¶

### Finding the matching audio snippet !! 
import glob 
import soundfile as sf
from audio_for_videoannotation import match_video_sync_to_audio, search_for_best_fit

#all_commonfps = glob.glob('common_fps_video_sync*') # get all the relevant common_fps_sync files
all_commonfps = glob.glob('common_fps\\Aditya_annotations\\2018-08-16\\common_fps*')
audio_folder = 'C://Users//tbeleyur//Documents//horseshoe_bat//2018-08-16//non_spikey//' # the current folder

# the output folders
audiosync_folder = './sync_audio/'
audioannotation_folder = './annotation_audio/'
fs = 250000 # change according to the recording sampling rate in Hz!!

all_ccs = []
files_to_run = sorted(all_commonfps)

def generate_matching_audio(each_commonfps, audio_folder, 
                           **kwargs):
    '''
    '''
    print(each_commonfps)
    try:
        video_sync = pd.read_csv(each_commonfps)
        best_audio, syncblock_audio, crosscoef = match_video_sync_to_audio(video_sync, audio_folder, 
                                                                           **kwargs)
        all_ccs.append(crosscoef)
        fname  = os.path.split(each_commonfps)[-1]
        annotation_id = '-'.join(os.path.split(fname)[-1].split('common_fps_video_sync')[-1:])[:-4]

        audiosync_folder = kwargs.get('audiosync_folder', 'sync_audio')
        audioannotation_folder = kwargs.get('audioannotation_folder', 'annotation_audio')

    
        audio_file_base_name = annotation_id+'.WAV'
        sf.write(audiosync_folder+'matching_sync_'+audio_file_base_name, syncblock_audio,fs)
        sf.write(audioannotation_folder+'matching_annotaudio_'+audio_file_base_name, best_audio,fs)
        return(True)
    except:
        print('Could not save ', each_commonfps)
        return(False)

help(match_video_sync_to_audio)

Help on function match_video_sync_to_audio in module audio_for_videoannotation:

match_video_sync_to_audio(video_sync, audio_folder, **kwargs)
    Matches the video sync signal around an annotation to the audio sync 
    signal present in the given audio folder. 
    
    
    This file assumes that the video frame rate is lower than the 
    audio frame rate !!! 
    
    TODO :
        0) allow user to define a particular set of files in the audio_folder
           if not specified - then let it run through *ALL* files in the 
           folder
        1) what happens when the audio files are smaller than the 
           video sync ? 
        2) write case to handle contiguous_file = False 
        
         
    
    Parameters
    ----------
    video_sync :  pd.DataFrame.
                  The DataFrame has led intensities and assumes that these
                  are from a uniformly sampled video file. 
    
                  led_intensity : float.
                                  Representing led/bulb intensity over
                                  each frame
    
                  timestamp_verified: string.
                                     Timestamp on each frame.
    
                  annotation_block : Boolean.
                                     True indicates the frame belongs to
                                     the annotation block. False indicates 
                                     the frame belongs to the 
                                     overall sync block.
    
    
    
    audio_folder : string. 
                 Path to the folder containing the audio files to be matched.
    
    Keyword Arguments
    -----------------
    audio_fs : int. 
               Sampling rate of the audio files in Hz. 
               If not specified, then the sampling rate of the first file
               encountered with the given file formats found in the
               audio_folder is used. 
    
    file_subset : tuple.
                  Optional.   
                  Allows user to provide a custom range of files 
                  within which to look for the matching audio. 
                  See get_file_series
    
    audio_fileformat : str.
                      The file format of the audio files to be searched.   
                      eg. if the audio files are .flac files then 
                      the entry should be '*.flac'
    
                      Defaults to '*.WAV'
    
    audiosync_channel : int. 
                        Channel index starting from 0. This channel has
                        the audio recording of the common sync channel. 
                        Defaults to the last channel (-1)
    
    contiguous_files : Boolean. 
                       Whether all files in the audio folder correspond
                       to a common span of time - ie. if the end of one file
                       follows onto the beginning of the next file. 
                       IMPORTANT:
                       The file names *must* sort into an experimentally
                       sensible order. 
                       Defaults to True
    
    audio_sync_spikey : Boolean.
                        Whether the audio sync channel is in the form of
                        'up' and 'down' spikes. These spikes occur
                        because not all sound cards can record DC -type
                        signals well. In these cases the spikes occur
                        at the edges of start and end of the rectangular
                        ON/OFf waves - or capacitors can also be added 
                        to make the spikes more obvious. 
                        Defaults to True. 
    
    crosscorr_threshold : -1 <= float <= 1                      
                        An index that provides an idea of how well the 
                        audio and video are synced given the data available. 
                        When the cross correlation coefficient of the 
                        audio and video sync signals falls below the 
                        threshold a warning is issued. 
                        Defaults to 0.5. 
    
    Returns
    -------
    matched_audio : N_channels + 1 x Msamples np.array if succesfule. None if not.
                    The matched audio is an array with
                    the matched audio and the upsampled video sync signal 
                    attached along with it. 
    
    syncblock_audio : N_channels +1 x Nsamples np.array. where Msamples<=Nsamples. 
                      The syncblock is at least as long as the minimum durations. 
    
    audio_video_match : -1<=float<=1. 
                      The cross correlation coefficient between the audio and 
                      video channels.

all_commonfps

['common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_1.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_10.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_11.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_110.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_111.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_117.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_119.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_12.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_120.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_121.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_124.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_125.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_128.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_129.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_130.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_131.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_132.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_133.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_134.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_135.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_136.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_137.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_138.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_139.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_140.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_142.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_143.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_144.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_145.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_146.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_147.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_148.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_149.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_15.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_151.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_154.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_155.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_156.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_157.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_158.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_159.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_16.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_160.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_161.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_163.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_164.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_165.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_166.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_168.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_169.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_17.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_170.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_171.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_172.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_174.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_175.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_176.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_18.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_181.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_183.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_184.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_185.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_187.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_19.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_190.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_191.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_192.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_194.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_195.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_197.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_198.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_2.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_20.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_200.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_201.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_202.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_208.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_21.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_211.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_22.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_23.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_24.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_25.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_27.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_28.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_29.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_3.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_30.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_31.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_32.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_34.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_35.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_36.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_38.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_39.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_4.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_40.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_41.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_43.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_44.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_46.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_47.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_48.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_49.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_51.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_52.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_53.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_54.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_55.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_56.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_57.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_58.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_60.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_61.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_62.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_63.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_64.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_65.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_66.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_67.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_68.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_69.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_7.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_70.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_71.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_72.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_73.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_75.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_77.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_78.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_79.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_80.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_81.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_82.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_83.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_85.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_86.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_88.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_90.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_91.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_92.csv',
 'common_fps\\Aditya_annotations\\2018-08-16\\common_fps_video_syncAditya_2018-08-17_34_93.csv']

audio_folder

'C://Users//tbeleyur//Documents//horseshoe_bat//2018-08-16//non_spikey//'

glob.glob(audio_folder+'')

['C://Users//tbeleyur//Documents//horseshoe_bat//2018-08-16//non_spikey//']

for each in all_commonfps[3:]:
    generate_matching_audio(each, audio_folder, audio_sync_spikey=False, file_subset=('non_spikey_T0000550',
                                                                                      'non_spikey_T0000630'),
                            audio_fileformat='*.WAV',
                          audiosync_folder='sync_audio/Aditya_annotations/',
                           audioannotation_folder='annotation_audio/Aditya_annotations/')

common_fps\Aditya_annotations\2018-08-16\common_fps_video_syncAditya_2018-08-17_34_110.csv
('video_fps obtained is :', 25)
Did not find user-provided sample rate - getting it from first file that matches format!
('sampling rate is : ', 250000)
.....finding best audio segment.....
('max mins for upsampled video', -1.0, 0.9601523650799748)

  0%|                                                                                           | 0/80 [00:00<?, ?it/s]

('max mins', -1.0, 0.9847676272635918)

  1%|█                                                                                  | 1/80 [00:08<11:41,  8.88s/it]

('max mins', -1.0, 0.9914314440552543)

  2%|██                                                                                 | 2/80 [00:17<11:29,  8.84s/it]

('max mins', -0.9788560215942655, 1.0)

  4%|███                                                                                | 3/80 [00:26<11:20,  8.83s/it]

('max mins', -0.9479645253618068, 1.0)

  5%|████▏                                                                              | 4/80 [00:35<11:09,  8.81s/it]

	video_path	annotation_id	timestamp from camera	start_timestamp	start_framenumber	end_timestamp	end_framenumber	no. of flying bats	bat behaviour	strength (1 - strong, 0-weak)	weak in (Behaviour Be, Number Bn)	Comments	Details on the comment	annotator
0	OrlovaChukaDome_02_20180817_03.00.00-04.00.00[...	Aditya_2018-08-17_34_1	2	2018-08-17 03:00:22	22	2018-08-17 03:00:25	8	1	NaN	1	1	NaN	NaN	Aditya
1	OrlovaChukaDome_02_20180817_03.00.00-04.00.00[...	Aditya_2018-08-17_34_2	2	2018-08-17 03:00:37	11	2018-08-17 03:00:38	9	1	NaN	1	1	NaN	NaN	Aditya
2	OrlovaChukaDome_02_20180817_03.00.00-04.00.00[...	Aditya_2018-08-17_34_3	2	2018-08-17 03:00:42	8	2018-08-17 03:00:42	13	1	NaN	1	1	NaN	NaN	Aditya
3	OrlovaChukaDome_02_20180817_03.00.00-04.00.00[...	Aditya_2018-08-17_34_4	2	2018-08-17 03:00:42	20	2018-08-17 03:00:43	12	2	T	1	1	NaN	NaN	Aditya
4	OrlovaChukaDome_02_20180817_03.00.00-04.00.00[...	Aditya_2018-08-17_34_5	2	2018-08-17 03:00:43	19	2018-08-17 03:00:43	24	1	NaN	0	0	NaN	Only a few frames	Aditya